Mercurial > hg > graal-compiler

comparison src/cpu/sparc/vm/vm_version_sparc.cpp @ 10997:46c544b8fbfc

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
8008407: remove SPARC V8 support Summary: Removed most of the SPARC V8 instructions Reviewed-by: kvn, twisti
author morris
date Fri, 07 Jun 2013 16:46:37 -0700
parents 4a916f2ce331
children eae426d683f6
comparison
equal deleted inserted replaced
10996:ea60d1de6735 10997:46c544b8fbfc
73 if (AllocatePrefetchStyle == 3 && !has_blk_init()) { 73 if (AllocatePrefetchStyle == 3 && !has_blk_init()) {
74 warning("BIS instructions are not available on this CPU"); 74 warning("BIS instructions are not available on this CPU");
75 FLAG_SET_DEFAULT(AllocatePrefetchStyle, 1); 75 FLAG_SET_DEFAULT(AllocatePrefetchStyle, 1);
76 } 76 }
77 77
78 if (has_v9()) { 78 guarantee(VM_Version::has_v9(), "only SPARC v9 is supported");
79 assert(ArraycopySrcPrefetchDistance < 4096, "invalid value"); 79
80 if (ArraycopySrcPrefetchDistance >= 4096) 80 assert(ArraycopySrcPrefetchDistance < 4096, "invalid value");
81 ArraycopySrcPrefetchDistance = 4064; 81 if (ArraycopySrcPrefetchDistance >= 4096)
82 assert(ArraycopyDstPrefetchDistance < 4096, "invalid value"); 82 ArraycopySrcPrefetchDistance = 4064;
83 if (ArraycopyDstPrefetchDistance >= 4096) 83 assert(ArraycopyDstPrefetchDistance < 4096, "invalid value");
84 ArraycopyDstPrefetchDistance = 4064; 84 if (ArraycopyDstPrefetchDistance >= 4096)
85 } else { 85 ArraycopyDstPrefetchDistance = 4064;
86 if (ArraycopySrcPrefetchDistance > 0) {
87 warning("prefetch instructions are not available on this CPU");
88 FLAG_SET_DEFAULT(ArraycopySrcPrefetchDistance, 0);
89 }
90 if (ArraycopyDstPrefetchDistance > 0) {
91 warning("prefetch instructions are not available on this CPU");
92 FLAG_SET_DEFAULT(ArraycopyDstPrefetchDistance, 0);
93 }
94 }
95 86
96 UseSSE = 0; // Only on x86 and x64 87 UseSSE = 0; // Only on x86 and x64
97 88
98 _supports_cx8 = has_v9(); 89 _supports_cx8 = has_v9();
99 _supports_atomic_getset4 = true; // swap instruction 90 _supports_atomic_getset4 = true; // swap instruction